Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

92°F

33°C

Humidity 47%
Wind Speed S 7 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 12:52 pm EDT
Extended Forecast for

Washington DC

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 95. Heat index values as high as 101. South wind around 6 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 95 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 76. South wind 5 to 8 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Patchy Fog

    Low: 76 °F

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind around 6 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 97 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 77. South wind around 6 mph becoming calm  after midnight.

    Mostly Cloudy

    Low: 77 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 2pm.  Partly sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 40%.

    Mostly Sunny
    then
    Scattered
    T-storms

    High: 97 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

    Scattered
    T-storms then
    Scattered
    Showers

    Low: 75 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 93. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 75 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 91. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 91 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 101. South wind around 6 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 76. South wind 5 to 8 mph. Chance of precipitation is 20%.
Monday
Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.
Tuesday
Scattered showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
10:30 am EDT Aug 18, 2019
1pm EDT Aug 18, 2019-6pm EDT Aug 24, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database